node-opcua

node-opcua is an implementation of an OPC UA stack fully written in Typescript for NodeJS.

Node-opcua is the OPC-UA stack running on NodeJS.

Why NodeJS ?

Because nodeJs is a great framework to design asynchronous applications.

Getting started

installing node-opcua as a node package

$ mkdir mytest
$ cd mytest
$ npm init 
$ npm install node-opcua --unsafe-perms
$ # create your first app.js file !

installing node-opcua samples as a node package

$ mkdir myserver
$ cd myserver
$ npm init
$ npm install node-opcua-samples --unsafe-perms
$ ./node_modules/.bin/simple_server

or

$ ./node_modules/.bin/simple_client  -e "opc.tcp://opcserver.mAutomation.net:4841" -n="ns=1;s=EVR2.system.RTC_SEC"

or

$ ./node_modules/.bin/simple_client  -e "opc.tcp://opcuademo.sterfive.com:26543" 

Minimum nodejs requirement

• nodejs version 10.23 or above

API Documentation

• check out the API documentation

tutorials and guided examples

Getting professional support

NodeOPCUA is developed and maintained by sterfive.com.

To get professional support, consider subscribing to the node-opcua membership community:

or contact sterfive for dedicated consulting and more advanced support.

❤️ Supporting the development effort - Sponsors & Backers

If you like node-opcua and if you are relying on node-opcua in one of your projects, please consider becoming a backer and sponsoring us, this will help us to maintain a high-quality stack and constant evolution of the stack.

If your company would like to participate and influence the development of future versions of node-opcua please contact sterfive.

Road-map

Those are the items we would like to achieve in the next version of the API.

• improved documentation
• Compliance testing and certification (CTT)
• Pub-sub support
• support for redundancy
• more tutorials

Advanced topics

installing node-opcua from source

running the demo server from source

 $ git clone https://github.com/node-opcua/node-opcua.git
 $ cd node-opcua
 $ npm install
 $ node packages/node-opcua-samples/bin/simple_server

running the demo client from source

 $ git clone https://github.com/node-opcua/node-opcua.git
 $ cd node-opcua
 $ npm install
 $ node packages/node-opcua-samples/bin/simple_client.js -e "opc.tcp://opcserver.mAutomation.net:4841" -n="ns=1;s=EVR2.system.RTC_SEC"

Tutorials

• create a server
• create a client in typescript

Contributing

$ git clone git://github.com/node-opcua/node-opcua.git
$ cd node-opcua
$ npm install
$ npm test

Supported Features

Service
Discovery Service Set
	FindServers()	✅
	GetEndpoints()	✅
	RegisterServer()	✅
	RegisterServer2()	✅
	FindServersOnNetwork()	✅
Secure Channel Service Set
	OpenSecureChannel()	✅
	CloseSecureChannel()	✅
Session Service Set
	CreateSession()	✅
	CloseSession()	✅
	ActivateSession()	✅
	Cancel()
View Service Set
	Browse()	✅
	BrowseNext()	✅
	TranslateBrowsePathsToNodeIds()	✅
	RegisterNodes()	✅
	UnregisterNodes()	✅
Attribute Service Set
	Read()	✅
	Write()	✅
	HistoryRead()	🌒
	HistoryUpdate()	🌒
MonitoredItems Service Set
	CreateMonitoredItems()	✅
	ModifyMonitoredItems()	✅
	SetMonitoringMode()	✅
	SetTriggering()	🌑
	DeleteMonitoredItems()	✅
Subscription Service Set
	CreateSubscription()	✅
	ModifySubscription()	✅
	DeleteSubscriptions()	✅
	Publish()	✅
	Republish()	✅
	TransferSubscriptions()	✅
Node Management Service Set
	AddNodes()	🌑
	AddReferences()	🌑
	DeleteNodes()	🌑
	DeleteReferences()	🌑
Query Service Set
	QueryFirst()	🌑
	QueryNext()	🌑

Transport Protocol
Transport	Status	Comment
UA-TCP UA-SC UA Binary	✅	OPC.TCP - Binary
SOAP-HTTP WS-SC UA Binary	🌑	HTTP/HTTPS - Binary
SOAP-HTTP WS-SC UA XML	🌑
SOAP-HTTP WS-SC UA XML-UA Binary	🌑
Security Policies
Policy	Status	Comment
None	✅
Basic128Rsa15	✅	deprecated in 1.04
Basic256	✅	deprecated in 1.04
Basic256Sha256	✅
Authentication	Status	Comment
Anonymous	✅
User Name Password	✅
X509 Certificate	✅
client facets
Base Client Behaviour	✅
AddressSpace Lookup	✅
Attribute Read	✅
DataChange Subscription	✅
DataAccess	✅
Discovery	✅
Event Subscription	✅
Method call	✅
Historical Access	🌓
Advanced Type	✅
Programming	🌑
Auditing	🌓
Redundancy	🌑	Sponsors wanted
server profiles
Core Server	✅
Data Access Server	✅
Embedded Server	✅
Nano Embedded Device Server	✅
Micro Embedded Device Server	✅
Standard DataChange Subscription Server	✅
Standard Event Subscription Server	✅
Standard UA Server	✅
Redundancy Transparent Server	🌑	Sponsors wanted
Redundancy Visible Server	🌑	Sponsors wanted
Node Management Server	🌑	Sponsors wanted
Auditing Server	🌓
Complex Type Server	✅	(sponsored)
Session Diagnostics	✅	(sponsored)
Subscription Diagnostics	✅	(sponsored)
Alarms & Conditions	✅	(sponsored)
Pub & Sub	🌑	Sponsors wanted

Feedback

• if you're using node-opcua in one of your project, please feel free to leave a comment and a quick description in the wiki

• if you have a particular wish or found a issue, let us known and create an issue